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This question has been asked a lot but,i didn't find a single answer that could help me
I run Ubuntu 19.10 from a 64GB USB2.0 pendrive.
I have distributed the partitions as such :

home : 49GB
snap : 2GB
root : 10GB

Today when i checked the disk manager i found out that i had used up 86.5% of root partition.
What i want to do now is allocate 10GB of home partition to root one .So,the new partitions will be as follows :

home : 39GB
snap : 2GB
root : 20GB

But,when i open Gparted/Disks ,select the partition and then click on the resize option,i receive the following error :

Error unmounting/dev/sdb6: target is busy (udisks-error-quark, 14)
I am not aware of which information to hide. So,in the screenshot provided ,i have censored some parts

What i tried to do before asking this question : I restarted the computer and took note that no other file was open before trying to resize the partition .

If you want any other information to solve my problem. Do let me know.

Rohit Garg
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  • First mistake... running from a flash drive... Second mistake... partitioning it into /home and /... Third mistake... trying to change partitioning from a live system. You must boot to a Ubuntu Live DVD/USB to use gparted. – heynnema Apr 05 '20 at 15:15

1 Answers1

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You cannot change partition size of partitions that are in use. To repartition a drive, start a live session using an installation USB or DVD. Live sessions come with gparted pre-installed.

vanadium
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  • OK , seems good. Does this risk any data loss though ? – Rohit Garg Apr 05 '20 at 12:35
  • Of course, there is always a risk. Have a good backup of your user data anytime when proceeding to repartitioning. Then, in the worst case, it is only the operating system you loose, but that is nothing: they come for free in various flavors and get better every day. Your data, on the other hand, once lost is lost forever. – vanadium Apr 05 '20 at 16:11
  • thanks. I followed the instructions and have successfully completed what i wanted, The only problem i face now is that the OS booting time has increased significantly . It takes about 1.5 minutes to start. Do you think it's because of a mistake i have made or it could be because of my bad setup of hardware ? – Rohit Garg Apr 05 '20 at 16:19
  • the partition looks something like this now. (root = 32GB)(home = 28GB)(swap = 2GB) – Rohit Garg Apr 05 '20 at 16:21